notebooks: properly handle code blocks

Fixes LAND-1404 by making sure we send code blocks as `blocks` in notebook posts.

Only handled as blocks in notebook posts, nothing changes for chat posts.

Inline and block code still render correctly in chat messages, and now both render correctly in notebook posts.

ui/src/diary/diary-add-note.tsx

@@ -129,7 +129,7 @@ export default function DiaryAddNote() {
     const data = JSONToInlines(editor?.getJSON(), false, true);
     const values = getValues();
 
-    const noteContent = constructStory(data);
+    const noteContent = constructStory(data, true);
     const now = Date.now();
     const cacheId = {
       author: window.our,

ui/src/types/channel.ts

@@ -552,7 +552,10 @@ export const emptyReply: Reply = {
   },
 };
 
-export function constructStory(data: (Inline | Block)[]): Story {
+export function constructStory(
+  data: (Inline | Block)[],
+  codeAsBlock?: boolean
+): Story {
   const isBlock = (c: Inline | Block) =>
     [
       'image',
@@ -564,6 +567,7 @@ export function constructStory(data: (Inline | Block)[]): Story {
       'header',
       'rule',
       'cite',
+      codeAsBlock ? 'code' : '',
     ].some((k) => typeof c !== 'string' && k in c);
   const postContent: Story = [];
   let index = 0;